Izaak Walton League of America (IWLA)
The league promotes the protection of soil, air, woods, and water in the United States.
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The league promotes the protection of soil, air, woods, and water in the United States.
The London Zoo becomes the world’s first scientific zoological garden.
Three global environmental organizations outline principles for conservation and sustainable development.
Publication of the first sections of John James Audubon’s Birds of America.